From b031e9a5a65ceef722ba506bc5ee69ec785dc5c5 Mon Sep 17 00:00:00 2001 From: John Snow Date: Mon, 30 Mar 2020 20:00:09 -0400 Subject: [PATCH] iotests: limit line length to 79 chars 79 is the PEP8 recommendation. This recommendation works well for reading patch diffs in TUI email clients. Signed-off-by: John Snow Reviewed-by: Max Reitz Message-Id: <20200331000014.11581-10-jsnow@redhat.com> Reviewed-by: Kevin Wolf Signed-off-by: Max Reitz --- tests/qemu-iotests/iotests.py | 64 ++++++++++++++++++++++++++++--------------- tests/qemu-iotests/pylintrc | 6 +++- 2 files changed, 47 insertions(+), 23 deletions(-) diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 69f24223d2..9f5da32dae 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -80,9 +80,11 @@ luks_default_key_secret_opt = 'key-secret=keysec0' def qemu_img(*args): '''Run qemu-img and return the exit code''' devnull = open('/dev/null', 'r+') - exitcode = subprocess.call(qemu_img_args + list(args), stdin=devnull, stdout=devnull) + exitcode = subprocess.call(qemu_img_args + list(args), + stdin=devnull, stdout=devnull) if exitcode < 0: - sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args)))) + sys.stderr.write('qemu-img received signal %i: %s\n' + % (-exitcode, ' '.join(qemu_img_args + list(args)))) return exitcode def ordered_qmp(qmsg, conv_keys=True): @@ -121,7 +123,8 @@ def qemu_img_verbose(*args): '''Run qemu-img without suppressing its output and return the exit code''' exitcode = subprocess.call(qemu_img_args + list(args)) if exitcode < 0: - sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args)))) + sys.stderr.write('qemu-img received signal %i: %s\n' + % (-exitcode, ' '.join(qemu_img_args + list(args)))) return exitcode def qemu_img_pipe(*args): @@ -132,7 +135,8 @@ def qemu_img_pipe(*args): universal_newlines=True) exitcode = subp.wait() if exitcode < 0: - sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args)))) + sys.stderr.write('qemu-img received signal %i: %s\n' + % (-exitcode, ' '.join(qemu_img_args + list(args)))) return subp.communicate()[0] def qemu_img_log(*args): @@ -162,7 +166,8 @@ def qemu_io(*args): universal_newlines=True) exitcode = subp.wait() if exitcode < 0: - sys.stderr.write('qemu-io received signal %i: %s\n' % (-exitcode, ' '.join(args))) + sys.stderr.write('qemu-io received signal %i: %s\n' + % (-exitcode, ' '.join(args))) return subp.communicate()[0] def qemu_io_log(*args): @@ -284,10 +289,13 @@ win32_re = re.compile(r"\r") def filter_win32(msg): return win32_re.sub("", msg) -qemu_io_re = re.compile(r"[0-9]* ops; [0-9\/:. sec]* \([0-9\/.inf]* [EPTGMKiBbytes]*\/sec and [0-9\/.inf]* ops\/sec\)") +qemu_io_re = re.compile(r"[0-9]* ops; [0-9\/:. sec]* " + r"\([0-9\/.inf]* [EPTGMKiBbytes]*\/sec " + r"and [0-9\/.inf]* ops\/sec\)") def filter_qemu_io(msg): msg = filter_win32(msg) - return qemu_io_re.sub("X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)", msg) + return qemu_io_re.sub("X ops; XX:XX:XX.X " + "(XXX YYY/sec and XXX ops/sec)", msg) chown_re = re.compile(r"chown [0-9]+:[0-9]+") def filter_chown(msg): @@ -340,7 +348,9 @@ def filter_img_info(output, filename): line = filter_testfiles(line) line = line.replace(imgfmt, 'IMGFMT') line = re.sub('iters: [0-9]+', 'iters: XXX', line) - line = re.sub('uuid: [-a-f0-9]+', 'uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX', line) + line = re.sub('uuid: [-a-f0-9]+', + 'uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX', + line) line = re.sub('cid: [0-9]+', 'cid: XXXXXXXXXX', line) lines.append(line) return '\n'.join(lines) @@ -538,11 +548,13 @@ class VM(qtest.QEMUQtestMachine): self.pause_drive(drive, "write_aio") return self.qmp('human-monitor-command', - command_line='qemu-io %s "break %s bp_%s"' % (drive, event, drive)) + command_line='qemu-io %s "break %s bp_%s"' + % (drive, event, drive)) def resume_drive(self, drive): self.qmp('human-monitor-command', - command_line='qemu-io %s "remove_break bp_%s"' % (drive, drive)) + command_line='qemu-io %s "remove_break bp_%s"' + % (drive, drive)) def hmp_qemu_io(self, drive, cmd): '''Write to a given drive using an HMP command''' @@ -802,16 +814,18 @@ class QMPTestCase(unittest.TestCase): idx = int(idx) if not isinstance(d, dict) or component not in d: - self.fail('failed path traversal for "%s" in "%s"' % (path, str(d))) + self.fail(f'failed path traversal for "{path}" in "{d}"') d = d[component] if m: if not isinstance(d, list): - self.fail('path component "%s" in "%s" is not a list in "%s"' % (component, path, str(d))) + self.fail(f'path component "{component}" in "{path}" ' + f'is not a list in "{d}"') try: d = d[idx] except IndexError: - self.fail('invalid index "%s" in path "%s" in "%s"' % (idx, path, str(d))) + self.fail(f'invalid index "{idx}" in path "{path}" ' + f'in "{d}"') return d def assert_qmp_absent(self, d, path): @@ -862,10 +876,13 @@ class QMPTestCase(unittest.TestCase): '''Asserts that the given filename is a json: filename and that its content is equal to the given reference object''' self.assertEqual(json_filename[:5], 'json:') - self.assertEqual(self.vm.flatten_qmp_object(json.loads(json_filename[5:])), - self.vm.flatten_qmp_object(reference)) + self.assertEqual( + self.vm.flatten_qmp_object(json.loads(json_filename[5:])), + self.vm.flatten_qmp_object(reference) + ) - def cancel_and_wait(self, drive='drive0', force=False, resume=False, wait=60.0): + def cancel_and_wait(self, drive='drive0', force=False, + resume=False, wait=60.0): '''Cancel a block job and wait for it to finish, returning the event''' result = self.vm.qmp('block-job-cancel', device=drive, force=force) self.assert_qmp(result, 'return', {}) @@ -889,8 +906,8 @@ class QMPTestCase(unittest.TestCase): self.assert_no_active_block_jobs() return result - def wait_until_completed(self, drive='drive0', check_offset=True, wait=60.0, - error=None): + def wait_until_completed(self, drive='drive0', check_offset=True, + wait=60.0, error=None): '''Wait for a block job to finish, returning the event''' while True: for event in self.vm.get_qmp_events(wait=wait): @@ -1029,8 +1046,11 @@ def verify_quorum(): notrun('quorum support missing') def qemu_pipe(*args): - '''Run qemu with an option to print something and exit (e.g. a help option), - and return its output''' + """ + Run qemu with an option to print something and exit (e.g. a help option). + + :return: QEMU's stdout output. + """ args = [qemu_prog] + qemu_opts + list(args) subp = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, @@ -1068,8 +1088,8 @@ def skip_if_unsupported(required_formats=(), read_only=False): usf_list = list(set(fmts) - set(supported_formats(read_only))) if usf_list: - test_case.case_skip('{}: formats {} are not whitelisted'.format( - test_case, usf_list)) + msg = f'{test_case}: formats {usf_list} are not whitelisted' + test_case.case_skip(msg) return None else: return func(test_case, *args, **kwargs) diff --git a/tests/qemu-iotests/pylintrc b/tests/qemu-iotests/pylintrc index daec2c4942..5481afe528 100644 --- a/tests/qemu-iotests/pylintrc +++ b/tests/qemu-iotests/pylintrc @@ -18,5 +18,9 @@ disable=invalid-name, too-many-locals, too-many-public-methods, # These are temporary, and should be removed: - line-too-long, missing-docstring, + +[FORMAT] + +# Maximum number of characters on a single line. +max-line-length=79 -- 2.11.0